chemical weapons and in essence saying why did you do this, and also during the attack, in fact, an intercept to the effect showing there was an order to cease use of chemical weapons. but how we got the intercepts, what they actually say, how we process them, a lot of that is missing from here. as they always do, they cite sources and methods. >> he made plain that he and barack obama are certain, highly confident chemical weapons were used and used by the assad regime. the only question is can they persuade capitol hill and whether or not it is wise to do anything. >> will they wait for a chance to persuade capitol hill? capitol hill doesn't come back here until monday. >> indeed it doesn't. we know what the brits think, nato said no, the brits say no, the u.n. says they're going to wait, and secretary kerry said today that the u.n. -- they're determining whether there were chemical weapons used, not who used them, which is, of course, a significant issue.